Compilare: user.cpp: In function 'void insert(nod*, char*, int)': user.cpp:41: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:44: warning: array subscript has type 'char' user.cpp: In function 'void search(char*, int, bool*)': user.cpp:99: warning: array subscript has type 'char' user.cpp:103: warning: array subscript has type 'char' /tmp/ccpT3e0M.o: In function `main': user.cpp:(.text+0x43a): warning: the `gets' function is dangerous and should not be used.